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  1. Maths
  2. Year 8
  3. Fractions, Decimals and Percentages
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Add or Subtract Fractions

In this worksheet, students add or subtract fractions.

'Add or Subtract Fractions' worksheet

Key stage:  KS 3

Curriculum topic:   Number

Curriculum subtopic:   Use Four Operations for All Numbers

Difficulty level:  

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Worksheet Overview

QUESTION 1 of 10

In this worksheet, we will learn how to add or subtract fractions.

 

Examples

To add or subtract two fractions, you must first make the denominators (bottom numbers) the same.

 

 

Addition 

 

 
2
9
+
3
4
=
2 × 4
36
+
3 × 9
36
=
8 + 27
36
=
35
36
 

 

Subtraction

 

 
5
8
-
2
5
=
5 × 5
40
-
2 × 8
40
=
25 - 16
40
=
9
40
 

 

Remember that you should reduce your answers to their lowest terms if possible.

Add the fractions:  

 
5
7
+
2
9
= ________  

Subtract the fractions:  

 
3
7
-
3
8
= ________  

Subtract the fractions and reduce the answer:  

 
3
6
-
2
8
= ________  

Subtract the fractions:  

 
4
7
-
3
8
= ________  

Subtract the fractions and reduce:  

 
7
8
-
5
8
= ________  

Add the fractions and reduce:  

 
6
8
+
1
5
= ________  

Add the fractions and reduce:  

 
4
9
+
4
8
= ________  

Subtract the fractions:  

 
7
8
-
7
9
= ________  

Add the fractions and leave your answer as an improper fraction:  

 
9
10
+
5
9
= ________  

Subtract the fractions and reduce:  

 
3
7
-
4
10
= ________  
  • ANSWERS
  • Question 1

Add the fractions:  

 
5
7
+
2
9
= ________  
CORRECT ANSWER
59/63
  • ANSWERS
  • Question 2

Subtract the fractions:  

 
3
7
-
3
8
= ________  
CORRECT ANSWER
3/56
  • ANSWERS
  • Question 3

Subtract the fractions and reduce the answer:  

 
3
6
-
2
8
= ________  
CORRECT ANSWER
1/4
  • ANSWERS
  • Question 4

Subtract the fractions:  

 
4
7
-
3
8
= ________  
CORRECT ANSWER
11/56
  • ANSWERS
  • Question 5

Subtract the fractions and reduce:  

 
7
8
-
5
8
= ________  
CORRECT ANSWER
1/4
  • ANSWERS
  • Question 6

Add the fractions and reduce:  

 
6
8
+
1
5
= ________  
CORRECT ANSWER
19/20
  • ANSWERS
  • Question 7

Add the fractions and reduce:  

 
4
9
+
4
8
= ________  
CORRECT ANSWER
17/18
  • ANSWERS
  • Question 8

Subtract the fractions:  

 
7
8
-
7
9
= ________  
CORRECT ANSWER
7/72
  • ANSWERS
  • Question 9

Add the fractions and leave your answer as an improper fraction:  

 
9
10
+
5
9
= ________  
CORRECT ANSWER
131/90
  • ANSWERS
  • Question 10

Subtract the fractions and reduce:  

 
3
7
-
4
10
= ________  
CORRECT ANSWER
1/35
---- OR ----

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